A bird flies down from a higher elevation to a lower elevation at a rate of 2 meters per second. Which equation models the bird’s change in elevation, in meters, after 30 seconds?

A. (-30)(-2) = -60
B. 30(-2) = -60
C. 30(-2) = 60
D. 30 x 2 = 60

9 x 8 divided by (5-3)=36

answer: a

step-by-step explanation: the answer is a due to the rule of symmetry; that a line of symmetry must divide a figure into 2 pieces that are the exact same, only reflected over a line of symmetry. b and c do not have lines of symmetry and would not divide the figure evenly, thus making the answer a.

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